2017-2025
World's most polluted cities
The most polluted cities according to data aggregated from over 80,000 data points.
2025
World Air Quality Report
2025
World Air Quality Report
| Rank | City | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
| 404 |  Balti Moldova | 13.9 | 14 | 17.7 | -- | -- | -- | -- | -- | -- |
| 405 |  Gdynia Poland | 13.9 | 12 | 11.5 | 13.3 | 15.1 | 12.7 | -- | -- | -- |
| 406 | Elblag Poland | 13.9 | 13.8 | 10.4 | 9.9 | 11.6 | 12.1 | 14.4 | -- | -- |
| 407 |  Humenne Slovakia | 13.9 | 13.9 | 13.5 | 12.2 | 14.4 | 11.7 | 14 | 19.1 | 21.7 |
| 408 |  Altinova Turkey | 13.9 | 14.7 | 14 | 14.9 | -- | -- | -- | -- | -- |
| 409 |  Ruse Bulgaria | 13.8 | 14.9 | 15.2 | 15.7 | 16.3 | 19.4 | 22 | 24.8 | 25.4 |
| 410 |  Larnaca Cyprus | 13.8 | 13.7 | 15.2 | 15.7 | 14.3 | 15.9 | 19.9 | 18.1 | 17.8 |
| 411 |  Hradec Králové Czech Republic | 13.8 | 12.6 | 12 | 13.3 | 14.5 | 13.7 | 14.8 | 19.7 | 19 |
| 412 |  Lykovrysi Greece | 13.8 | 14 | 15.5 | -- | -- | -- | -- | -- | -- |
| 413 |  Hengelo Netherlands | 13.8 | 19.3 | -- | -- | -- | -- | -- | -- | -- |
| 414 | Swiecie Poland | 13.8 | 12.6 | 11.9 | -- | -- | -- | -- | -- | -- |
| 415 | Kędzierzyn-Koźle Poland | 13.8 | 17.5 | 14.3 | 16.8 | 21.4 | -- | 23.5 | 29 | 29.8 |
| 416 |  Valongo Portugal | 13.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 417 | Třinec Czech Republic | 13.7 | 13.7 | 13.5 | 17.5 | 18.2 | 15.1 | 18.2 | 26.5 | 26.7 |
| 418 | Sumperk Czech Republic | 13.7 | 15.9 | 13.4 | 14.5 | 11.8 | -- | -- | -- | -- |
| 419 | Xanthi Greece | 13.7 | 11.6 | 19 | 21.2 | 22.5 | 21.6 | -- | -- | -- |
| 420 | Tsoukalaiika Greece | 13.7 | 11.9 | 13.6 | -- | -- | -- | -- | -- | -- |
| 421 | Mijnsheerenland Netherlands | 13.7 | 11.8 | 12.4 | 12.9 | 14.4 | -- | -- | -- | -- |
| 422 | Lomianki Poland | 13.7 | 12.1 | -- | -- | -- | -- | -- | -- | -- |
| 423 |  Baile Herculane Romania | 13.7 | 11.6 | -- | -- | -- | -- | -- | -- | -- |
| 424 | Zilina Slovakia | 13.7 | 15.5 | 14.6 | 21.5 | 19.3 | 17.2 | 18.6 | 21.8 | 25.9 |
| 425 |  Novo Mesto Slovenia | 13.7 | 15.6 | 17.2 | 17.6 | -- | -- | -- | -- | -- |
| 426 |  Osijek Croatia | 13.6 | 14 | 14.9 | 20 | -- | -- | -- | -- | -- |
| 427 | Kavala Greece | 13.6 | 19.1 | -- | -- | -- | -- | -- | -- | -- |
| 428 |  Villa Carcina Italy | 13.6 | 14 | 13.2 | -- | -- | -- | -- | -- | -- |
| 429 | Bialystok Poland | 13.6 | 13.8 | 12.4 | 13.3 | 16.1 | 13.8 | 13.7 | 16.3 | 17 |
| 430 | Sopot Poland | 13.6 | 12.2 | 10.4 | 14.1 | 12.7 | -- | -- | -- | -- |
| 431 |  Vrsac Serbia | 13.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 432 | Karaman Turkey | 13.6 | 13.7 | 14.1 | 15.5 | -- | -- | -- | -- | -- |
| 433 | Grafhorst Netherlands | 13.5 | 18.9 | -- | -- | -- | -- | -- | -- | -- |
| 434 |  Liestal Switzerland | 13.5 | 9.7 | 14.9 | 12.8 | 12.8 | 13.7 | 14.7 | -- | -- |
| 435 | Chiasso Switzerland | 13.5 | 14.7 | 14.6 | 17.2 | 16.2 | -- | -- | -- | -- |
| 436 | Tavsanli Turkey | 13.5 | 11.3 | 12.7 | -- | -- | -- | -- | -- | -- |
| 437 |  Velyki Mosty Ukraine | 13.5 | 17.1 | -- | -- | -- | -- | -- | -- | -- |
| 438 | Dolní Lutyně Czech Republic | 13.4 | 15.5 | 15.9 | 20.7 | 22.8 | 20.9 | 27.7 | 35.8 | 32.3 |
| 439 | Znojmo Czech Republic | 13.4 | 13 | 11.9 | 12.2 | 11.8 | 11.9 | 14.2 | 19.7 | 17.4 |
| 440 |  Várpalota Hungary | 13.4 | 15 | 13.4 | 12.8 | 15.1 | 14.7 | -- | -- | -- |
| 441 |  Kaunas Lithuania | 13.4 | 12.3 | 11.4 | 13.7 | 13.4 | 10.8 | 12.2 | 15.1 | -- |
| 442 | Gdansk Poland | 13.4 | 12.7 | 11.9 | 14.9 | 16.5 | 15 | 14.2 | 10.1 | 11.7 |
| 443 | Strazske Slovakia | 13.4 | 15.2 | 14.1 | 16.8 | 17.5 | 15.8 | 18.7 | 19.5 | 21.6 |
| 444 | Densbueren Switzerland | 13.4 | 17.6 | -- | -- | -- | -- | -- | -- | -- |
| 445 | Langenbruck Switzerland | 13.4 | 7.9 | 8.9 | 8.5 | -- | -- | -- | -- | -- |
| 446 | Mendrisio Switzerland | 13.4 | 13.7 | 13.9 | 16.6 | 15.5 | -- | -- | -- | -- |
| 447 | Safranbolu Turkey | 13.4 | 13.3 | 11.5 | 17.5 | 35.2 | -- | -- | -- | -- |
| 448 | Kutahya Turkey | 13.4 | 13.6 | 12.1 | 24 | 19.8 | 23.6 | 23.5 | -- | -- |
| 449 | Sivice Czech Republic | 13.3 | 14.8 | 13 | 11.5 | 17.1 | -- | 13.3 | 15.8 | 16.2 |
| 450 | Teplice Czech Republic | 13.3 | 12.7 | 12.2 | 13.3 | 13.3 | 13.4 | 14.2 | 19.1 | 18.8 |
| 451 |  Roubaix France | 13.3 | 11 | 11.9 | 14.6 | 13.9 | -- | 14.2 | 14.9 | 14.9 |
| 452 | Feres Greece | 13.3 | 19.2 | -- | -- | -- | -- | -- | -- | -- |
| 453 | Płock Poland | 13.3 | 12.8 | 12 | -- | -- | -- | -- | -- | -- |
